Base | Representation |
---|---|
bin | 1001010001101… |
… | …1011110000011 |
3 | 2201012211020201 |
4 | 2110123132003 |
5 | 34430103302 |
6 | 3505550031 |
7 | 651504505 |
oct | 224333603 |
9 | 81184221 |
10 | 38909827 |
11 | 1aa66590 |
12 | 11045317 |
13 | 80a4588 |
14 | 524bd75 |
15 | 3638c87 |
hex | 251b783 |
38909827 has 8 divisors (see below), whose sum is σ = 42517440. Its totient is φ = 35313960.
The previous prime is 38909809. The next prime is 38909833. The reversal of 38909827 is 72890983.
38909827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38909827 - 211 = 38907779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38909807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4924 + ... + 10102.
It is an arithmetic number, because the mean of its divisors is an integer number (5314680).
Almost surely, 238909827 is an apocalyptic number.
38909827 is a deficient number, since it is larger than the sum of its proper divisors (3607613).
38909827 is a wasteful number, since it uses less digits than its factorization.
38909827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5873.
The product of its (nonzero) digits is 217728, while the sum is 46.
The square root of 38909827 is about 6237.7742023898. The cubic root of 38909827 is about 338.8595787525.
The spelling of 38909827 in words is "thirty-eight million, nine hundred nine thousand, eight hundred twenty-seven".
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